Q1 · medium · AI-verified
According to Newton's Second Law of Motion, if a force of 15 N acts on a body of mass 3 kg, what will be the acceleration produced?
- 3 m/s²
- 0.2 m/s²
- 45 m/s²
- 5 m/s²
Q2 · medium · AI-verified
Which of the following is the SI unit of work?
- Watt
- Joule
- Pascal
- Newton
Q3 · easy · AI-verified
According to Newton's Third Law of Motion, when a gun fires a bullet, the gun recoils backward. If the mass of the gun is 4 kg and the mass of the bullet is 0.04 kg, and the bullet moves at 200 m/s, what is the recoil velocity of the gun?
- 20 m/s
- 0.5 m/s
- 4 m/s
- 2 m/s
Q4 · hard · AI-verified
A 500 g object is placed on a table at a height of 2 m from the floor. What is its potential energy with respect to the floor? (Take g = 10 m/s²)
- 5 J
- 10 J
- 20 J
- 1000 J
Q5 · medium · AI-verified
Which of the following has the largest inertia?
- A stone thrown upward
- A cricket ball moving at 100 km/h
- A truck at rest
- A bicycle moving at 20 km/h